









Shipping Fees:
We provide clear and detailed shipping fees based on the order amount and shipping method:
- Standard Shipping:
- Order Amount Below $29: Shipping Fee - $4.99
- Delivery Time: 3-4 business days
- Free Shipping:
- Order Amount $29 and over: Free 📦
Shipping Info
🚲 Bicycle Shipping
Delivery Times:
Shipping Fees:
We offer a 30-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues. EU customers have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrosbike.us.
At ROCKBROS, we offer a worry-free 1-year warranty to ensure your satisfaction. Whether it's a defect or product issue, simply reach out to us at service@rockbrosbike.us with your order details. We'll handle the rest to make sure your experience is smooth and hassle-free.




Crafted with high-frequency seamless welding and waterproof materials, this bag provides rainstorm-level protection, ensuring your items stay completely dry even on long rides.
The streamlined narrow-sided design prevents the bag from touching your legs while riding, offering both comfort and speed. Its built-in PP support plate keeps the bag upright and protects your belongings from being squeezed, while the side-opening zipper allows quick, one-handed access.
With a ≈1.9L capacity, it’s perfect for storing daily necessities and small travel items. Three-point Velcro straps make installation simple and secure without any tools, and the bag fits most road and gravel bike frames M size and above without affecting water bottle cage use.
Durable and convenient, this bag features tear-resistant fabric, a lengthened zipper pull, a rain-protective zipper strip, and a reflective logo for night riding safety. Whether commuting, cycling, or exploring outdoors, the ROCKBROS Down Tube Bag is your reliable companion.
Specifications:



Crafted with high-frequency seamless welding and waterproof materials, this bag provides rainstorm-level protection, ensuring your items stay completely dry even on long rides.
The streamlined narrow-sided design prevents the bag from touching your legs while riding, offering both comfort and speed. Its built-in PP support plate keeps the bag upright and protects your belongings from being squeezed, while the side-opening zipper allows quick, one-handed access.
With a ≈1.9L capacity, it’s perfect for storing daily necessities and small travel items. Three-point Velcro straps make installation simple and secure without any tools, and the bag fits most road and gravel bike frames M size and above without affecting water bottle cage use.
Durable and convenient, this bag features tear-resistant fabric, a lengthened zipper pull, a rain-protective zipper strip, and a reflective logo for night riding safety. Whether commuting, cycling, or exploring outdoors, the ROCKBROS Down Tube Bag is your reliable companion.
Specifications: